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Mishimoto Performance Aluminum Radiator w/ Stabilizer (97-04 GT, w/ Automatic Transmission)

Market Price $422.99 You Save 17% ($70.49)
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  • Item 80277

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    Features, Video & Details

    • Up to 25% More Cooling Capacity
    • Floating Bracket Stabilizer System
    • Lightweight Aluminum Construction
    • Leak-Proof Brass Fittings
    • Hand-Welded for Perfect Fit
    • For Automatic Transmissions Only
    • Fits 1997-2004 GT and 2003-2004 Mach 1

    Review & Installation Video

    Review & Install Video

    Hey I’m Justin with, here with a way to keep your ride cool all while making a dramatic visual improvement under the hood as well, I’m talking about these Mishimoto aluminum radiators for your 94-04 Mustang. Mishimoto has become one of the industry leaders in producing quality performance radiators for just about any vehicle you can think of, from bone stock daily drivers to hardcore professional race cars. These direct replacements are a great solution to an old, damaged, or leaking factory rad, or for a heavily modded or forced induction car, where the cooling system just can’t keep up with the increased cooling needs. The Mishimoto will help keep your street or strip Mustang much cooler by using this 2 row core, which is going to allow for a 25% increase in cooling capacity next to your stock radiator. Every Mishimoto radiator is constructed using durable lightweight aluminum, features leak proof fittings, and are all hand welded to ensure top notch quality and fitment. On top of all that, every Mishimoto radiator is backed by a no questions asked, limited lifetime warranty. A big feature with the Mishimoto is their patent pending floating bracket mounting system, that eliminates a major flaw in the factory mount design. Because of the Mustangs torque the front of the car tends to flex under load, which can sometimes lead to a damaged radiator. The floating brackets attach to the side of the radiator, using these rubber grommets to absorb any movement, in addition Mishimoto has added breaks to the top and bottom header plates, that allow the radiator to flex without being damaged. Getting this installed may be slightly more difficult than installing say, a cold air intake for instance, but honestly it’s not that bad. Think of it as a giant oil change. Before getting started you will need something on hand to hold all that fluid, in this case we recommend having at least a 15 quart drain pan on hand, before you start draining your fluids. Once you get all the fluids drained, remove the hoses from the stock radiator, unbolt it, and remove it from the engine bay. Reinstall the new Mishimoto in reverse order, reattach the hoses and fill it with a 50/50 mix of coolant and water. Doing all this should take you no more than 2 hours. Any gearhead knows that heat is one of the worse enemies of performance, it can hurt power, damage your fuel mileage and worse of all damage your motor. So if you want to help your Mustang keep its cool whether it’s on the street or the track, then you’ll definitely want to check out one of these Mishimoto performance aluminum radiators, right here at

    Keep Cool. Whether running your Mustang hard at the track, the strip, or on the street, it's important to keep temps down to keep power levels up and protect your engine. If you're having trouble keeping things cool, a Mishimoto Mustang radiator has up to 25% more cooling capacity than your OEM radiator making it a must-have mod.

    Floating Bracket Stabilizer System. High torque engines and body flex can cause radiator end tanks to crack or separate from the core, in order to eliminate this issue Mishimoto has engineered a patent-pending floating bracket stabilizer system that allows their radiators to "float" freely with out binding or cracking under stress.

    Lightweight Aluminum. Mishimoto Radiators are crafted of lightweight high-quality aluminum. Each radiator is hand-welded to which ensure a perfect fit and great underhood appearance.  

    Leak-Proof Design. Other aftermarket radiators have a design problem that causes leakage from the outlet to the overflow reservoir. Unlike other manufacturer, Mishimoto uses specially designed brass fittings to ensure leak-free performance. And all of their radiators are pressure tested twice before leaving the factory so you can install your new radiator with confidence.

    Application. This Mishimoto Mustang Radiator is designed for the 1997 to 2004 Mustang GT and 2003-2004 Mach 1 models. Fits automatic transmissions only.

    Mishimoto's "No Questions Asked" Limited Lifetime Warranty

    Fitment: 1997 1998 1999 2000 2001 2002 2003 2004 Details

    What's in the Box
    • (1) Mishimoto Radiator
    • (1) Magnetic Drain Plug with Dowty Oil Seal
    • (4) Rubber Bushings with Metal Collars
    • (4) M8 Flange Head Bolts
    • (4) M8 Washers
    • Left and Right Brackets
    Installation Info
    Tech Specs
    • Core Size: 24.92" x 17.24"
    • Rows: 2
    • Inlet: 1.57"
    • Outlet: 1.77"
    • Core Thickness: 1.57"
    • Drain Plug Thread Size: M12 x 1.5
    • Designed for automatic 4.6L V8 only
    Will it fit my Mustang?

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    3 Questions / 3 Answers

    Ask a Question

    Hi I have a Vortec super charger on my 03 GT, Will this fit in my car?


    • This radiator will be able to fit with a Vortech supercharger.


    Helpful (0)

    Can this radiator be installed in a V6 supercharged set up? Im pretty sure some modifications will be needed but how complex?


    • This would have to be a completely custom set up and most likely have some brackets fabricated from scratch. Unfortunately I do not have the exact specifications you would need to complete this this part is designed to work on a 1997 to 2004 Mustang GT.


    Helpful (0)

    Do you need any other parts to install it? or can i use older parts for it with this? just need to know if i have to buy anything else.


    • Hi, This Mishimoto Performance Aluminum Radiator w/ Stabilizer - Automatic doesn't require any additional parts to install i do suggest installing the Mishimoto Silicone Radiator Hose Kit Item #80216. Here is the link

      Chris J

    Helpful (0)

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    Customer Reviews (8) Write a Review

    Overall Rating 4.8

    out of 5 stars

    Installation Time:Afternoon

    • Performance Gain 4.625 4.6
    • Fit 4 4

    • 4/5

      September 06, 2017


      Needs to be thicker but still very well built an is excellent


      Year: 2002 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      May 14, 2015

      Mishimoto Radiator

      Shipped promptly. Packaging was very protective. I had to modify my ac lines slightly


      Year: 2004 Submodel: GT London Ar.

      Helpful (2)

    • 4/5

      Installation Time: Afternoon

      June 20, 2014

      98 gt fitment issues

      Over this is an excellent product, but there's just one small little complaint I have with it and it's that the automatic transmission coolant lines don't fit right. I'm going to try calling mishimoto to see if there's anything they can do about it, other than that it fits just fine, so if you have a 98 gt be aware that the lines might not fit correctly


      Year: 1998 Submodel: GT New York

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      March 24, 2014


      For a first time shopper on American muscle I am very satisfied and in love with my new radiator you guys really take care of your customers and dedicate your time on making sure you guys have the best parts all the time I look forward or purchasing more items for my 98' Gt mustang Thanks.


      Year: 1998 Submodel: GT Hillsboro, OR, USA

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      December 26, 2013

      great radiator but...

      installed in a modded 2000 gt vert. Had heads cams and intakes done. Planned for a P1sc and upon adding that we had issues with the clearance of inlet piping and radiator/hoses. This is cuz its about twice as thick as the stocker. This radiator will cause you to modify the Procharger Install. It does work fine for non frt mount forced induction. Ran nice and cool in Florida temps.


      Year: 2006 Submodel: GT Jacksonville, FL, USA

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      November 22, 2013

      Great product

      The price and equipment was great, i definitely got my bang for my buck.


      Year: 2003 Submodel: GT AZ

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      July 01, 2013

      this is a great replacement for your stock radiator

      this is a very easy to install radiator only takes an hour and a half to two at most. it looks great and perfect for any high performance stang. the new stabilizer system will keep the body flex from creating a leak which is a major problem for the mustang and its uni-body design. i am a ase certified tech and I highly recommend this to any one thats wants to keep their stang nice and cool as everyone know that heat is the worst thing for a car


      Year: 1998 Submodel: GT mobile al

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      March 29, 2013

      Mishimoto Gets It

      Hit the limits of the stock cooling system at 400RWHP with auto. Mini boil overs after back to back runs or hard street driving with a 40:60 mix. This solution came packaged like Fort Knox with admirable weld / build quality. Install was easy after assembling the stablizer system to the unit. Everything: old fan, lines, hoses, upper brackets fit without mods. Helps to remove the battery box, gently bend the AC lines 1/4" or so, and install the passenger side upper stabilizer bolt after sliding the unit in past the lines. Clears ABS pump with room to spare. Watch the video, but not clear where the 4 washers were supposed to go so I put them between the rubber pads and radiator tanks right or wrong. Magnetic drain plug a plus. Took about 1/3rd gallon more coolant over stock. Takes twice as long to get to full temperature and does not stay pegged there like it used to is all I can say without a digital gauge. I'll take that improvement at a value of a price and I shopped them all.


      Year: 1999 Submodel: GT Austin, TX, USA

      Helpful (4)

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